I dont top stitch mine I found when I do they wick through the stitching. I stitch the absorbent layer to the soft part that is going against my body. then i stitch them together right sides together and turn them only top stitching the back closed or front if you sleep on your back.

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Julie loving wife to her vetern and Momma to Three
Alyssa(7) Savannah(5) and my Angel Baby May 23 2011